GE MULTILINK ML1200 - Manual (Page 8)

TOC–VI MULTILINK ML1200 MANAGED FIELD SWITCH – INSTRUCTION MANUAL
TABLE OF CONTENTS
M AIN C OMMANDS .................................................................................................................17-14
C ONFIGURATION COMMANDS ..............................................................................................17-16
18: MODBUS PROTOCOL MODBUS CONFIGURATION ...........................................................................................................18-1
O VERVIEW .............................................................................................................................. 18-1
C OMMAND L INE I NTERFACE S ETTINGS ...............................................................................18-1
E NER V ISTA S ETTINGS ............................................................................................................18-3
MEMORY MAPPING ...........................................................................................................................18-4
M ODBUS M EMORY M AP .......................................................................................................18-4
F ORMAT C ODES .....................................................................................................................18-37
APPENDIX A REVISION HISTORY ............................................................................................................................A-1
C HANGE N OTES .....................................................................................................................A-1
C HANGES TO THE M ANUAL ..................................................................................................A-1
WARRANTY ...........................................................................................................................................A-2
GE M ULTILIN W ARRANTY S TATEMENT ..............................................................................A-2
APPENDIX B: DC POWER
INPUT SPECIFICATIONS FOR MULTILINK ML1200 SWITCHES, DC POWER
AT 24 V AND –48 V AND 125 V DC POWER INPUT .........................B-2
-48 V DC, 24 V DC AND 125 V DC POWER, THEORY OF OPERATION .........................B-3
APPLICATIONS FOR DC POWERED ETHERNET SWITCHES ...............................................B-4
ML1200, -48 V, 24 V, 125 V DC INSTALLATION .....................................................................B-5
UL REQUIREMENTS FOR DC-POWERED UNITS .....................................................................B-6
OPERATION ...........................................................................................................................................B-7
APPENDIX C: INTERNAL
DC DUAL-SOURCE
POWER INPUT OPTION SPECIFICATIONS FOR MULTILINK ML1200 FIELD SWITCH ..............................................C-2
MULTILINK ML1200 WITH -48 V DC, 24 V DC
AND 125 V DC DUAL-SOURCE OPTION ...............................................C-3
DUAL-SOURCE OPTION THEORY OF OPERATION ................................................................C-4
FEATURES AND BENEFITS OF THE DUAL-SOURCE DESIGN ............................................C-5
INSTALLATION .....................................................................................................................................C-6